package com.zyjblogs.sync;
//死锁：多个线程互相抱着对方需要的资源，然后形成僵持
public class DeadLock {
    public static void main(String[] args) {
        Makeup makeup1= new Makeup(0,"灰姑凉");
        Makeup makeup2= new Makeup(1,"白雪公主");
        makeup1.start();
        makeup2.start();
    }
}
//口红
class Lipstick{

}
//镜子
class Mirror{

}
class Makeup extends  Thread{
    //需要的资源只有一份，用static来保证只有一份
    static Lipstick lipstick = new Lipstick();
    static Mirror mirror = new Mirror();
    //选择
    int choice;
    //使用化妆品的人
    String girlName;

    Makeup(int choice,String girlName) {
        this.choice = choice;
        this.girlName = girlName;
    }
    @Override
    public void run() {
        //化妆
        try {
            makeup();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
    //需要拿到对方的资源
    private void makeup() throws InterruptedException {
        if (choice == 0) {
            synchronized (lipstick) {
                //获得口红的锁
                System.out.println(this.girlName+"获得口红的锁");
                Thread.sleep(1000);
//                synchronized (mirror) {
//                    System.out.println(this.girlName+"获得镜子的锁");
//                }
            }
            synchronized (mirror) {
                System.out.println(this.girlName+"获得镜子的锁");
            }
        }else {
            synchronized (mirror) {
                System.out.println(this.girlName+"获得镜子的锁");
                Thread.sleep(2000);
//                synchronized (lipstick) {
//                    //获得口红的锁
//                    System.out.println(this.girlName+"获得口红的锁");
//                }
            }
            synchronized (lipstick) {
                //获得口红的锁
                System.out.println(this.girlName+"获得口红的锁");
            }
        }
    }
}